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After pre-acceptance of the machine tool, it is verified that the geometrical accuracy of the machine tool meets the requirements stipulated by the two parties. The trial grinding of the workpiece provided by the user shows that the rough grinding can grind the allowance of 6.5mm on one side in 100 minutes, and the processing is quite efficient; in the fully automatic grinding test, the size control and the tip of the blade run radially And other indicators also meet the relevant requirements.
According to Hangzhou Machine, it took only one year to develop this high-tech high-efficiency machine tool by itself. Its manufacturing success has added another new category to the company's products. Specially designed for the grinding of the tip circle of large impellers, the workpiece can be machined to a diameter of 1.9 m. The machine tool adopts advanced configuration such as German Siemens CNC system and Italian Marpos laser measuring system. The longitudinal feed motion of the grinding head and the angle swing of the grinding head are all AC servo motor, and the control is carried out by the numerical control system.
Hangzhou Machine Tool Group recently stated that its first large-scale SDM-1 CNC blade tip sanding belt grinding machine, which was designed and manufactured by itself and has independent intellectual property rights, has been completed. This belt grinding machine, which is specially designed for the grinding blade tip of the Harbin Steam Turbine Works, has been pre-accepted by the user in Hangzhou in early July and will be shipped after further improvement of the CNC machining program and machine protection.